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TIME's The Brief TIMEnewsbrief

NASA’s MESSENGER Crash

According to Slooh, MESSENGER orbited Mercury more than 4,000 times since its launch and mapped the inner planet, discovered water in the exosphere and found evidence of past volcanic activity, among other discoveries. http://goo.gl/7vHxzH More From The Brief: time.com/newsletter/the-brief #FullNewsAudioAvailable

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